@incollection{JEDP_1987____A7_0,
     author = {Schapira, Pierre},
     title = {Propagation of analytic singularities up to non smooth boundary},
     booktitle = {},
     series = {Journ\'ees \'equations aux d\'eriv\'ees partielles},
     eid = {7},
     pages = {1--9},
     publisher = {Ecole polytechnique},
     year = {1987},
     mrnumber = {89b:58196},
     zbl = {0666.58043},
     language = {en},
     url = {http://archive.numdam.org/item/JEDP_1987____A7_0/}
}